#!/usr/bin/env python
#
# The MIT License
#
# Copyright (c) 2008 Nicholas Galbreath
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#

import boto
import sys
import os
import os.path
import stat
from optparse import  OptionParser
from urlparse import urlparse
from boto.s3.connection import S3Connection

def print_entry(ent, bucket, options):
    if isinstance(ent, boto.s3.prefix.Prefix):
        print i.name
        return

    if options.long:
        realkey = bucket.get_key(i)
        sz = realkey.size
        lm = realkey.last_modified
        sys.stdout.write(" %10d %s %s\n" % (int(sz), lm, i.name))
        if options.meta:
            print '   content-type: %s' % realkey.content_type
            for k,v in realkey.metadata.items():
                print "   %s: %s" % (k,v)
        i.close()

    else:
        sys.stdout.write(i.name + '\n')
 
if __name__ == '__main__':
    from optparse import OptionParser
    parser = OptionParser()
    parser.add_option('-a', '--all',
    			     help='do not ignore entries starting with .')
    parser.add_option('-A', '--almost-all',
    			    help='do not list implied . and ..')

    parser.add_option('-e', '--everything', action="store_true", default=False,
                      help='ignore standard directory structure sematics and show everything')

    parser.add_option('-l', '--long', action='store_true', dest='long', 
                      default=False, help='long format')
    parser.add_option('-m', '--meta', action='store_true', dest='meta', 
                      default=False, help='long format')

    options,args = parser.parse_args()

    for dir in args:
        if dir.startswith('s3'):
            dirparts = urlparse(dir.replace('s3', 'http'))
            bucketname = dirparts[1]
            fullfile = dirparts[2].lstrip('/')
            con = S3Connection()	
            bucket = con.get_bucket(bucketname)
            if options.everything is True:
                for i in  bucket.list(prefix=fullfile):
                    print_entry(i, bucket, options)
            else:
                for i in  bucket.list(prefix=fullfile, delimiter='/'):
                    print_entry(i, bucket, options)


                
